[INFO] fetching crate naive_json_io 0.1.0...
[INFO] building naive_json_io-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate naive_json_io 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate naive_json_io 0.1.0
[INFO] finished tweaking crates.io crate naive_json_io 0.1.0
[INFO] tweaked toml for crates.io crate naive_json_io 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate naive_json_io 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate naive_json_io 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79d3bb4f4026b0ac0456e315af13d6af8929ca2ce3c5cdaaf2481217414a06bf
[INFO] running `Command { std: "docker" "start" "-a" "79d3bb4f4026b0ac0456e315af13d6af8929ca2ce3c5cdaaf2481217414a06bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d3bb4f4026b0ac0456e315af13d6af8929ca2ce3c5cdaaf2481217414a06bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d3bb4f4026b0ac0456e315af13d6af8929ca2ce3c5cdaaf2481217414a06bf", kill_on_drop: false }`
[INFO] [stdout] 79d3bb4f4026b0ac0456e315af13d6af8929ca2ce3c5cdaaf2481217414a06bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f2b28ff93ed56c988207d3bcfe1951c461756835f16b64729dfdcc5f6c4d095
[INFO] running `Command { std: "docker" "start" "-a" "9f2b28ff93ed56c988207d3bcfe1951c461756835f16b64729dfdcc5f6c4d095", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling naive_json_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `Command { std: "docker" "inspect" "9f2b28ff93ed56c988207d3bcfe1951c461756835f16b64729dfdcc5f6c4d095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2b28ff93ed56c988207d3bcfe1951c461756835f16b64729dfdcc5f6c4d095", kill_on_drop: false }`
[INFO] [stdout] 9f2b28ff93ed56c988207d3bcfe1951c461756835f16b64729dfdcc5f6c4d095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7afb7b9b59ff43bdbc70864138d8385a3b9204f89c0a448f540c68435ca4c6
[INFO] running `Command { std: "docker" "start" "-a" "1f7afb7b9b59ff43bdbc70864138d8385a3b9204f89c0a448f540c68435ca4c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling naive_json_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "1f7afb7b9b59ff43bdbc70864138d8385a3b9204f89c0a448f540c68435ca4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7afb7b9b59ff43bdbc70864138d8385a3b9204f89c0a448f540c68435ca4c6", kill_on_drop: false }`
[INFO] [stdout] 1f7afb7b9b59ff43bdbc70864138d8385a3b9204f89c0a448f540c68435ca4c6